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Art Institute of Chicago vs Harry Potter API

Same instrument, two spec sheets — measured, not claimed.

APIArt Institute of ChicagoNEW—Harry Potter APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCC0 1.0 for metadata; 'description' field is CC-BY 4.0Unverified
Free tierFree, no keyFree — limits not published
Rate limit60 requests/min per IP (per docs)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Art Institute of Chicago vs Harry Potter API: common questions

Which is more reliable, Art Institute of Chicago or Harry Potter API?

On our scheduled checks, Harry Potter API leads on measured uptime — Art Institute of Chicago at —% versus Harry Potter API at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Art Institute of Chicago and Harry Potter API need an API key?

Neither needs a paid key — Art Institute of Chicago is callable with no signup, and Harry Potter API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Art Institute of Chicago and Harry Potter API from the browser?

Yes — both Art Institute of Chicago and Harry Potter API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Art Institute of Chicago and Harry Potter API free for commercial use?

Art Institute of Chicago allows commercial use on its free tier, and Harry Potter API has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.